Update documentation for Cowboy 2.1

1 files changed, 7 insertions, 8 deletions

diff --git a/docs/en/cowboy/2.0/guide/ws_handlers.asciidoc b/docs/en/cowboy/2.0/guide/ws_handlers.asciidoc
index a79d7e29..84dfb9bc 100644
--- a/docs/en/cowboy/2.0/guide/ws_handlers.asciidoc
+++ b/docs/en/cowboy/2.0/guide/ws_handlers.asciidoc
@@ -57,19 +57,18 @@ be:
 
 [source,erlang]
 ----
-init(Req0, State) ->
-    case cowboy_req:parse_header(<<"sec-websocket-protocol">>, Req0) of
+init(Req, State) ->
+    case cowboy_req:parse_header(<<"sec-websocket-protocol">>, Req) of
         undefined ->
-            {cowboy_websocket, Req0, State};
+            {cowboy_websocket, Req, State};
         Subprotocols ->
             case lists:keymember(<<"mqtt">>, 1, Subprotocols) of
                 true ->
-                    Req = cowboy_req:set_resp_header(<<"sec-websocket-protocol">>,
-                        <<"mqtt">>, Req0),
-                    {cowboy_websocket, Req, State};
+                    Req2 = cowboy_req:set_resp_header(<<"sec-websocket-protocol">>,
+                        <<"mqtt">>, Req),
+                    {cowboy_websocket, Req2, State};
                 false ->
-                    Req = cowboy_req:reply(400, Req0),
-                    {ok, Req, State}
+                    {stop, Req, State}
             end
     end.
 ----